ViDES Trial (Vitamin D Extra Supplementation)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

180 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-09-06

Study Completion Date

2027-12-01

Brief Summary

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The objective of the study is to compare supplementation with vitamin D at 800 IU/day to usual care for the first 28 days after birth with respect to 25 (OH) vitamin D levels and indicators of likely or plausible effects of vitamin D supplementation on the function or structure of the lung, bones, immune system, and brain in extremely premature (EP) infants who are \<28 weeks gestational age (GA) or \<1000 grams of birth weight (BW). The study results will be analyzed as intention to treat Bayesian analyses (Frequentist analyses will also be performed).

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Detailed Description

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Conditions

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Vitamin D Deficiency

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Usual care plus placebo

Infants will receive placebo (normal saline) in the first 28 days after birth. Care will be unaffected and provided based on the judgment of the attending neonatal faculty and NICU policies and routine practices. When the infant receives about 120 to 160 mL/kg/day of fortified milk at 24 kcal/ounce, the infant will receive supplementation with 400 IU/day of vitamin D as usual care.

Group Type ACTIVE_COMPARATOR

Placebo

Intervention Type DIETARY_SUPPLEMENT

Placebo is normal saline, given in the first 28 days after birth, prepared to have the same volume and appearance as vitamin D, which is a clear odorless solution.

Usual Care

Intervention Type OTHER

Care will be unaffected and provided based on the judgment of the attending neonatal faculty and NICU policies and routine practices. When the infant receives about 120 to 160 mL/kg/day of fortified milk at 24 kcal/ounce, the infant will receive supplementation with 400 IU/day of vitamin D as usual care.

Usual care plus vitamin D supplementation

Infants will receive cholecalciferol 800 IU/day in the first 28 days after birth, given enterally four times per day (0.5mL per dose = 200 IU) until the infant is provided 400 IU/day (when feedings reach about 120 -160 mL/kg/day). At that point the study cholecalciferol will be reduced to 400 IU/day for a total supplementation of 800 IU/day.

Group Type EXPERIMENTAL

800 IU/day vitamin D supplementation with feedings in the first 28 days after birth

Intervention Type DIETARY_SUPPLEMENT

800 IU/day Vitamin D supplementation until 400 IU/day are provided as part of usual care (started when infants receive full feedings of about 120-160 mL/kg/day). At that point the intervention becomes a supplement of 400 IU/day above that given with usual care. In this way all infants in the intervention group receive 800 IU/day of vitamin D total supplementation in the first 28 days after birth with feedings.

Usual Care

Intervention Type OTHER

Care will be unaffected and provided based on the judgment of the attending neonatal faculty and NICU policies and routine practices. When the infant receives about 120 to 160 mL/kg/day of fortified milk at 24 kcal/ounce, the infant will receive supplementation with 400 IU/day of vitamin D as usual care.

Interventions

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Placebo

Placebo is normal saline, given in the first 28 days after birth, prepared to have the same volume and appearance as vitamin D, which is a clear odorless solution.

Intervention Type DIETARY_SUPPLEMENT

800 IU/day vitamin D supplementation with feedings in the first 28 days after birth

800 IU/day Vitamin D supplementation until 400 IU/day are provided as part of usual care (started when infants receive full feedings of about 120-160 mL/kg/day). At that point the intervention becomes a supplement of 400 IU/day above that given with usual care. In this way all infants in the intervention group receive 800 IU/day of vitamin D total supplementation in the first 28 days after birth with feedings.

Intervention Type DIETARY_SUPPLEMENT

Usual Care

Care will be unaffected and provided based on the judgment of the attending neonatal faculty and NICU policies and routine practices. When the infant receives about 120 to 160 mL/kg/day of fortified milk at 24 kcal/ounce, the infant will receive supplementation with 400 IU/day of vitamin D as usual care.

Intervention Type OTHER

Other Intervention Names

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Normal saline Cholecalciferol

Eligibility Criteria

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Inclusion Criteria

* Infants born at \< 28 weeks gestational age (GA) or \<1000 grams birth weight (BW)
* Inborn
* Informed written consent in an Institutional Review Board (IRB)-approved manner

Exclusion Criteria

* GA \>32 weeks regardless of birth weight (BW)
* Any major congenital anomaly
* A known congenital nonbacterial infection
* Prenatal diagnosis of disorders that affect vitamin D absorption (e.g, cystic fibrosis)
* Such severe illness or immaturity that the attending neonatologist judges intensive care to be unjustified.

Minimum Eligible Age

24 Hours

Maximum Eligible Age

96 Hours

Eligible Sex

ALL

Accepts Healthy Volunteers

No